Best diagnosticians in Istanbul: TOP 115 doctors

Prof. Dr. Tayfun Apuhan is a specialist in ENT and Head & Neck Surgery. He is known for his skill in treating ear infections, repairing the tympanic membrane, and performing rhinoplasty and septorhinoplasty. He also has experience in adenoidectomy, tonsillectomy, sleep apnea surgery, vocal cord microsurgery, and head and neck tumor surgery. Dr. Apuhan founded the ENT and Head & Neck Surgery Department at Özel A Plus Hisar Intercontinental Hospital.

Dr. Apuhan earned his medical degree from İnönü University. He completed further training at Abant Izzet Baysal University, University Medical Center Hamburg-Eppendorf, Gazi University, and The Ohio State University Comprehensive Cancer Center. He has published over 200 scientific articles. He has also served as a session chair and editor at international conferences and journals. Dr. Apuhan currently leads the audiometry program at Doğuş University.

Op. Dr. Cemile Elif Erol is a Gynecologist and Obstetrician. She graduated from Atatürk University Faculty of Medicine in 2018. She completed her specialization in Gynecology and Obstetrics at Marmara University in 2023.

Dr. Erol has experience in pregnancy monitoring and high-risk pregnancy management. She performs both normal and cesarean deliveries. She is skilled in advanced laparoscopic and hysteroscopic surgeries. Dr. Erol also diagnoses and treats polycystic ovary syndrome and hormonal disorders. She provides cervical cancer screening and manages urinary incontinence and genital prolapse. She offers menopausal care, including bioequivalent hormone therapies.

Dr. Funda Ataman is a dermatologist who graduated from Istanbul University in 1986. She completed her residency at Haydarpaşa Numune Hospital in 1990. She specializes in dermatologic surgery, cosmetic dermatology, laser treatments, and advanced care for skin tumors, allergic skin diseases, and hyperhidrosis.

Dr. Ataman has worked on studies about skin cancer, cryotherapy, and new dermatological methods. She has practiced at Fatih Sultan Mehmet Training and Research Hospital and Private Istanbul Regional Hospital. She is known for her strong clinical experience and dedication to patient care.

• Specialist in Diagnostic Radiology and Teleradiology treatments.
• Expertise in utilizing MRI, CT scans, and X-rays for accurate diagnostics.
• International training includes presentations at global radiology congresses.
• Engages in cutting-edge Teleradiology practices for remote diagnostics.
• Certified in Radiodiagnostics and Interventional Radiology.
• Professional memberships in radiology societies.
• Offers online consultations for patients needing diagnostic services.

 Medical Experience

- *2023 - Present*: Memorial Şişli Hospital  

 Neurosurgery Specialist / Istanbul

- *2013 - 2023*: Bezmialem University Faculty of Medicine  

 Neurosurgery Specialist / Istanbul

- *2011 - 2013*: Konya Beyşehir State Hospital  

 Neurosurgery Specialist / Konya

- *2010 - 2011*: Bezmialem University Faculty of Medicine  

 Research Assistant in Brain and Nerve Surgery / Istanbul

 Medical Education

- *2021 - 2023*: Bezmialem Vakif University Faculty of Medicine  

 / Istanbul / Turkey

- *2006 - 2011*: Bezmialem Vakif University Faculty of Medicine  

 / Istanbul / Turkey

- *2000 - 2006*: Istanbul University Cerrahpasa Faculty of Medicine  

 / Istanbul / Turkey

Op. Dr. Merve Karlı has completed her medical education at Eskişehir Osmangazi University Faculty of Medicine, Bakırköy. She received her specialist training at Sadi Konuk Training and Research Hospital.

She has performed over 1000 operations in the fields of benign anorectal diseases, laparoscopic / open hernia surgery, breast diseases, trauma and emergency surgery. She has certifications on endoscopic procedures.

MEDICAL INTERESTS

• Breast Diseases
• Benign Anorectal Diseases
• Laparoscopic and Open Hernia Surgery
• Endoscopy (Gastroscopy, Colonoscopy, PEG Insertion)

Dt. Elif Nurhak Erdal

She was born in Salihli, Manisa in 1975. She completed her secondary education at Salihli Sekine Evren Anatolian High School and her higher education at Istanbul University Faculty of Dentistry and graduated successfully in 1999.
In the same year, she started working as an assistant professor at the I.U. Faculty of Dentistry, Department of Community Oral and Dental Health, and completed her master's degree with high honors at the I.U. Cerrahpaşa Faculty of Medicine, Department of Public Health in 2003. During her four-year academic education, she worked as a lecturer at the Yeditepe University Faculty of Dentistry and had the opportunity to work in various private clinics.
Since 2003, he has been a practical training consultant for dentists in aesthetic dentistry and teeth whitening at Güney Diş Deposu. As the head of domestic training activities for Ultradent / Kerrhawe companies, he organized courses for local and foreign dentists, participated in many international congresses and fairs on the subject, and had the opportunity to closely follow dental technology. He started working at Cosmodent Dentistry and Implantology Center in 2005. In 2007, he founded "Gülümse Dental Clinic" with his doctor friend in Perpa Trade Center. He has been providing services in Osmanoğlu Hospital since September 2013. As of 2020, he has been working in the field of 'Health Tourism' at Klinik No 1 Dental Clinic, of which he is one of the founding partners.
She opened her own clinic as of April 2024.
Istanbul Dentists Chamber Şişli district representative and also works in the Dentists Chamber Health Tourism Commission. Simultaneously, she is a member of the Şişli Municipality City Council Tourism Commission Board of Directors. She is the mother of Ali Deniz.
She speaks English at C1 level.

Prof. Dr. Engin Tutar was born in Istanbul in 1964. He completed his primary and secondary education at Istanbul Erkek Lisesi between 1975 and 1982, and graduated from Istanbul University Istanbul Faculty of Medicine in 1988. In December of the same year, he started his specialization in the Department of Pediatrics at Dr. Lütfi Kırdar Kartal Training and Research Hospital, becoming a specialist in Pediatrics in February 1993. He completed his subspecialty training in Pediatric Gastroenterology, Hepatology, and Nutrition at Marmara University Faculty of Medicine, becoming a subspecialist in 2006. He served as the Assistant Chief Physician and Acting Chief Physician at the 2nd Pediatric Clinic of Dr. Lütfi Kırdar Kartal Training and Research Hospital between 2010 and 2012. In May 2012, he transferred to Marmara University Faculty of Medicine, where he became an Associate Professor in Pediatric Gastroenterology, Hepatology, and Nutrition in 2014, and a Professor in 2020. Alongside his international and national article authorships, he has given over 50 presentations at congresses/courses/association meetings. He retired in May 2024 while serving as the head of the Pediatric Gastroenterology, Hepatology, and Nutrition department at Marmara University Faculty of Medicine. As of June 2024, he is accepting patients at Hisar Hospital Intercontinental.

MEDICAL INTERESTS

• Healthy child monitoring
• Growth and nutritional disorders
• Approach to patients with abdominal pain
• Gastroesophageal reflux
• Chronic diarrhea and chronic constipation
• Celiac disease
• Inflammatory bowel disease
• H. pylori infection-related and unrelated gastritis and ulcers, patients with gastric bleeding
• Liver, gallbladder, and pancreas diseases
• Acute and chronic gastrointestinal infections
• Diagnostic upper and lower gastrointestinal endoscopy
• Therapeutic upper and lower gastrointestinal endoscopy (esophageal variceal bleeding, gastric and small bowel ulcer bleeding, polypectomy)
• 
   

Dr. Gülümser Kızıltaş Tokmak is a board-certified neurologist. She specializes in advanced neurophysiological diagnostics. She graduated from Istanbul University Cerrahpaşa School of Medicine in 2002. She completed her neurology residency at Okmeydanı Teaching and Research Hospital in 2008. Dr. Tokmak also holds a master’s degree in Electrophysiology from Istanbul University.

She has extensive experience in EMG, EEG, and PSG. Her main clinical interests are dementia, headache, and vertigo. Dr. Tokmak has contributed to many studies in these fields. She has worked at Ağrı State Hospital Neurology Clinic, Hisar Intercontinental Hospital, and Medical Park Hospitals.

Dr. Cemile Dilek Uysal has graduated from Akdeniz University Faculty of Medicine with honors in 1992. She did compulsory service for 3 years in Merzifon district of Amasya. Then she won the dermatology department of Haydarpaşa Numune Hospital, which was her first choice at TUS. From there she specialized in dermatology. Currently, she serves in the Intercontinental Dermatology department of Hisar Hospital.

Her areas of interest include acne, fungi, eczema, urticaria, pruritus (itching), viral and bacterial diseases, parasitic diseases such as scabies (scabies) and pediculus capitis, various hair diseases, and psoriasis. 

Op. Dr. Yasemin Ongun is a specialist in Ear, Nose, and Throat (ENT) and Head & Neck Surgery. She graduated from Kocaeli University Faculty of Medicine in 2005. In 2008, she completed advanced training in Otology-Neurotology, Audiology, and Head and Neck Surgery at Hacettepe University.

Dr. Ongun has worked in both public and private healthcare settings. She served at Şanlıurfa Mehmet Akif İnan Training and Research Hospital and held the position of deputy chief physician in private hospitals. She has performed many surgeries, with a focus on rhinoplasty, endoscopic sinus surgery, pediatric ENT procedures, otoplasty, and hearing-related operations.

Dt. Ebru Şaşmazlar

she graduated from Istanbul University Faculty of Dentistry in 2000. Between 2000 to 2021, she worked in her own office in Şişli; and between 2021 to 2024, she worked in her own clinic on Bağdat Street.
She has attended numerous seminars and courses throughout her career.
she received "Digital Smile Design" training at Miami University, USA in 2014; and "Advanced Implantology" training at California Northstate University in 2017.
With 24 years of experience, I am currently operating in Klinik En.

He was born in 1987 in Azerbaijan. In 2004, he graduated from Goranboy School No. 39. In 2006-2007 he served in the army for 18 months in the regiment No. 112 of the Ministry of Defense in Baku. In 2014, he graduated from Azerbaijan Medical University and received the title of Doctor of Medicine. In 2014, he successfully passed the Medical Language Exam conducted by ÖSYM and in 2015, he successfully passed the Medical Doctorate Placement Exam conducted by ÖSYM. In 2016, he resigned from his General Surgery residency in Azerbaijan and started his Adult Psychiatry Specialization training at Istanbul University Cerrahpaşa Medical Faculty, Department of Adult Mental Health and Diseases, which he won in the Medical Specialization Examination held by ÖSYM in the same year, and became an expert in 2020 with his thesis titled 'Body Image Disorder in Borderline Personality Disorder Patients'.

Her scientific interests include psychoanalytic and mindfulness-based therapies, anxiety disorders, substance, gambling and other behavioral addictions.

Dr. Zuhal Tanzer is a specialist in Internal Diseases. She is known for her skill in diagnosing and treating complex medical conditions. Dr. Tanzer has a strong record of patient satisfaction and successful treatments. She is accredited by top medical institutions. She also takes part in ongoing medical education. Dr. Tanzer uses evidence-based methods and is dedicated to improving standards in internal medicine.

Prof. Hüseyin Baloğlu is a pathology specialist at Anadolu Medical Center in Gebze, Kocaeli, Turkey. He focuses on molecular pathology, surgical pathology, and tumour biopsy and diagnostics.

Education and accreditations: MD, GATA Medical School (1986). Pathology specialty training, GATA (1992). Associate Professor (Doçent), GATA (2004). Visiting scholar at Albert Einstein College of Medicine (New York) and Heidelberg University.

Achievements: author of over 600 peer‑reviewed publications. Holds a patent in molecular diagnostics for thyroid cancer. Leads liquid biopsy and precision oncology services.

Dr. Ali Osman Koyuncuoğlu is a specialist in obstetrics, gynecology, and IVF at Memorial Bahçelievler Hospital (2025–present). He has 20 years of practice. His experience includes roles at Yeditepe University IVF Center, FJK Hospital IVF Center, and Acıbadem Family Hospital. He also ran a private clinic (2015–2025).

Education and credentials: MD, Istanbul University (Çapa). Residency in obstetrics and gynecology at Kartal Training and Research Hospital. Training in reproductive endocrinology and infertility (IVF) at Yeditepe University (2009–2010). Professional memberships: Turkish Medical Association, Turkish Society of Gynecology, TSRM, ESHRE, ASRM. Advanced training at Brussels IVF Center and Fertilitetsklinikken Regionshospitalet Skive IVF (Denmark). Additional courses at Acıbadem University (robotic surgery) and IRCAD Strasbourg (laparoscopic surgery).

Dr. Tamer Atasever is a Nuclear Medicine Specialist with 39 years of experience, speaking English and Turkish. He is a professor in Gazi University and has been a director of the Department of Nuclear Medicine in Ankara Order Laboratory. He is a member of the Turkey Association of Nuclear Medicine and the European Association of Nuclear Medicine.

Dr. Senay Yilmaz is an experienced Eye Diseases Specialist. She has performed over 9,000 surgeries, including advanced procedures like strabismus surgery. Dr. Yilmaz is a member of the Turkish Society of Ophthalmology (TOD).

She has published three scientific articles and has presented her research at national and international congresses, including the European Strabismological Association. Her work highlights her expertise and dedication to ophthalmology.

*EXPERIENCE*

2019 - Present, Istanbul/Istanbul/Turkey

MEMORIAL ATAŞEHİR HOSPITAL

Ophthalmologist

2016 - 2019, Istanbul/Istanbul/Turkey

BEZMİALEM UNIVERSITY FACULTY OF MEDICINE

Assistant Professor

2015 - 2016, Istanbul/Istanbul/Turkey

SB HASEKİ TRAINING AND RESEARCH HOSPITAL
Educator

2008 - 2015, Sivas/Sivas/Turkey

CUMHURIYET UNIVERSITY FACULTY OF MEDICINE HOSPITAL

Chairman of the Department of Ophthalmology

1995 - 2008, Sivas/Sivas/Turkey

CUMHURIYET UNIVERSITY FACULTY OF MEDICINE

Faculty Member

1989 - 1990, Sivas/Sivas/Turkey

HEALTH CENTER NO.1

General Practitioner

*EDUCATION*

2008

Professor

2002

Associate Professor

1990 - 1994, Sivas/Turkey

CUMHURIYET UNIVERSITY FACULTY OF MEDICINE

Ophthalmology Residency Training

1983 - 1989, Adana/Turkey

ÇUKUROVA UNIVERSITY FACULTY OF MEDICINE

Medical Doctor Education